To install Let's Encrypt SSL in Nginx on Ubuntu 24.04, follow the steps below:
Step 1 : Ensure your domain has DNS records properly set up for verification.
Step 2 : Update your system:
sudo apt update
Step 3 : Install Certbot and python3-certbot-nginx:
sudo apt install certbot python3-certbot-nginx
Step 4 : Create a Nginx configuration file (example.devtutorial.io) and add the necessary configuration:
sudo nano /etc/nginx/sites-available/example.devtutorial.io
Add the configuration for your domain. Example:
server {
listen 80;
server_name example.devtutorial.io;
root /var/www/example.devtutorial.io;
index index.html index.htm;
location / {
try_files $uri $uri/ =404;
}
}
Step 5 : Create a directory for your domain and a test HTML file:
sudo mkdir -p /var/www/example.devtutorial.io
sudo nano /var/www/example.devtutorial.io/index.html
Add some content to the HTML file, then save and close it.
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>Welcome to example.devtutorial.io</title>
</head>
<body>
<h1>Welcome to example.devtutorial.io</h1>
<p>This is a test page for verifying the Nginx configuration.</p>
</body>
</html>
Step 6 : Enable the Nginx configuration:
sudo ln -s /etc/nginx/sites-available/example.devtutorial.io /etc/nginx/sites-enabled/
Step 7 : Test the Nginx configuration:
sudo nginx -t
Step 8 : Restart Nginx:
sudo systemctl restart nginx
Step 9 : Obtain SSL certificate:
sudo certbot --nginx -d example.devtutorial.io
Follow the prompts:
- Enter your email address.
9b Agree to the terms of service.
- Share your email address with the EFF.
- Once successful, you'll receive a confirmation message.
Step 10 : Test the certificate renewal process:
sudo certbot renew --dry-run
Step 11 : Visit your domain to check the SSL installation.
Congratulations! You have successfully installed Let's Encrypt SSL in Nginx on Ubuntu 24.04.
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